After a freak gaming accident, modern-day youth Jaxon transmigrates into the body of the world's most feared legendary assassin, currently rotting in a high-security prison. Using the original host's muscle memory and his own tactical brilliance, Jaxon quickly earns the respect of the most dangerous inmates. His path crosses with Katherine, a brilliant noblewoman facing a lethal tax crisis. Jaxon uses his skills to clear her father’s name and dismantle a corrupt government syndicate, forging an unbreakable bond with her. However, a chance encounter with the incognito Empress Abby thrusts him into the center of a palace coup. When the Third Prince launches an all-out rebellion, Jaxon must fully awaken the assassin's soul within him to crush the revolt. In this world of blades and blood, can a modern gamer really become the ultimate king of killers? A high-octane story of action and forbidden love.